void PtrQueueSet::deallocate_buffer(void** buf) {
assert(_sz > 0, "Didn't set a buffer size.");
MutexLockerEx x(_fl_owner->_fl_lock, Mutex::_no_safepoint_check_flag);
BufferNode *node = BufferNode::make_node_from_buffer(buf);
node->set_next(_fl_owner->_buf_free_list);
_fl_owner->_buf_free_list = node;
_fl_owner->_buf_free_list_sz++;
}
int PtrQueueSet::completed_buffers_list_length() {
int n = 0;
BufferNode* cbn = _completed_buffers_head;
while (cbn != NULL) {
n++;
cbn = cbn->next();
}
return n;
}
Node_ptr Array<T>::getNode() const {
if (node->isBuffer()) {
BufferNode<T> *bufNode = reinterpret_cast<BufferNode<T> *>(node.get());
unsigned bytes = this->getDataDims().elements() * sizeof(T);
bufNode->setData(data, bytes, getOffset(), dims().get(),
strides().get(), isLinear());
}
return node;
}
Node_ptr Array<T>::getNode()
{
if (node->isBuffer()) {
unsigned bytes = this->getDataDims().elements() * sizeof(T);
BufferNode<T> *bufNode = reinterpret_cast<BufferNode<T> *>(node.get());
Param<T> param = *this;
bufNode->setData(param, data, bytes, isLinear());
}
return node;
}
void DirtyCardQueueSet::apply_closure_to_all_completed_buffers() {
BufferNode* nd = _completed_buffers_head;
while (nd != NULL) {
bool b =
DirtyCardQueue::apply_closure_to_buffer(_closure,
BufferNode::make_buffer_from_node(nd),
0, _sz, false);
guarantee(b, "Should not stop early.");
nd = nd->next();
}
}
void DirtyCardQueueSet::par_apply_closure_to_all_completed_buffers(CardTableEntryClosure* cl) {
BufferNode* nd = _cur_par_buffer_node;
while (nd != NULL) {
BufferNode* next = nd->next();
void* actual = Atomic::cmpxchg_ptr(next, &_cur_par_buffer_node, nd);
if (actual == nd) {
bool b = apply_closure_to_buffer(cl, nd, false);
guarantee(b, "Should not stop early.");
nd = next;
} else {
nd = static_cast<BufferNode*>(actual);
}
}
}
// Deallocates any completed log buffers
void DirtyCardQueueSet::clear() {
BufferNode* buffers_to_delete = NULL;
{
MutexLockerEx x(_cbl_mon, Mutex::_no_safepoint_check_flag);
while (_completed_buffers_head != NULL) {
BufferNode* nd = _completed_buffers_head;
_completed_buffers_head = nd->next();
nd->set_next(buffers_to_delete);
buffers_to_delete = nd;
}
_n_completed_buffers = 0;
_completed_buffers_tail = NULL;
DEBUG_ONLY(assert_completed_buffer_list_len_correct_locked());
}
while (buffers_to_delete != NULL) {
BufferNode* nd = buffers_to_delete;
buffers_to_delete = nd->next();
deallocate_buffer(nd);
}
}
BufferNode*
DirtyCardQueueSet::get_completed_buffer(int stop_at) {
BufferNode* nd = NULL;
MutexLockerEx x(_cbl_mon, Mutex::_no_safepoint_check_flag);
if ((int)_n_completed_buffers <= stop_at) {
_process_completed = false;
return NULL;
}
if (_completed_buffers_head != NULL) {
nd = _completed_buffers_head;
_completed_buffers_head = nd->next();
if (_completed_buffers_head == NULL)
_completed_buffers_tail = NULL;
_n_completed_buffers--;
assert(_n_completed_buffers >= 0, "Invariant");
}
debug_only(assert_completed_buffer_list_len_correct_locked());
return nd;
}
void PtrQueueSet::enqueue_complete_buffer(void** buf, size_t index) {
MutexLockerEx x(_cbl_mon, Mutex::_no_safepoint_check_flag);
BufferNode* cbn = BufferNode::new_from_buffer(buf);
cbn->set_index(index);
if (_completed_buffers_tail == NULL) {
assert(_completed_buffers_head == NULL, "Well-formedness");
_completed_buffers_head = cbn;
_completed_buffers_tail = cbn;
} else {
_completed_buffers_tail->set_next(cbn);
_completed_buffers_tail = cbn;
}
_n_completed_buffers++;
if (!_process_completed && _process_completed_threshold >= 0 &&
_n_completed_buffers >= _process_completed_threshold) {
_process_completed = true;
if (_notify_when_complete)
_cbl_mon->notify();
}
debug_only(assert_completed_buffer_list_len_correct_locked());
}
void TsFrameBufferBase::insertNewNode(TsFrameBase *packet)
{
if(sync_status == buffer_cannot_be_synced)
{
insertFailed(packet);
return;
}
if(sync_status == buffer_syncing_waiting_for_pts)
{
if(packet->PTS < sync_PTS)
{
insertFailed(packet);
return;
}
else if(packet->PTS == sync_PTS)
{
sync_status = buffer_syncing_pts_received;
}
else
{
printDebugMessage("greater than the expected PTS " + buffer_id, STATUS);
sync_status = buffer_syncing_pts_received;
}
}
unsigned int first_PTS = getFirstPTS();
unsigned int received_PTS = packet->PTS;
unsigned int expected_PTS = last->packet->PTS + pts_per_frame;
int frame_difference = ((int)received_PTS - (int)expected_PTS) / (int)pts_per_frame;
if(frame_difference == 0)
{
packet->PTS = expected_PTS;
received_PTS = packet->PTS;
}
if(received_PTS > expected_PTS)
{
printDebugMessage("buffer " + buffer_id + " missed " + to_str(frame_difference) + " frames in insert", WARNING);
insertNullFrame(frame_difference, expected_PTS);
}
writeDebugMessage(buffer_id + "_insert.txt", to_str(received_PTS) + "\t" + now_str() + " " + getStatusStr() + " " + to_str(getFillRatio()) + "%" + " " + to_str(current_size) + "/" + to_str(total_size), STATUS);
if(received_PTS >= expected_PTS)
{
insertTail(packet);
packet->setArrivalTime();
}
else
{
if(received_PTS < first_PTS)
{
/*if(frame_difference + FRAME_NUMBER_FOR_LOOP_DETECTION < 0)
{
loop_on = true;
printDebugMessage("buffer " + buffer_id + " loop at " + now_str(), WARNING);
insertTail(packet);
packet->setArrivalTime();
}
else
{*/
printDebugMessage("buffer " + buffer_id + " very early PTS", WARNING);
insertFailed(packet);
//}
}
else
{
lock();
printDebugMessage("buffer " + buffer_id + " early PTS", WARNING);
BufferNode<TsFrameBase> *current;
BufferNode<TsFrameBase> *prev = first;
for(current = first; current != NULL; current = current->next)
{
if(current->packet->PTS < packet->PTS)
{
prev = current;
}
else if(current->packet->PTS == packet->PTS)
{
printDebugMessage("buffer " + buffer_id + " existing PTS", WARNING);
insertFailed(packet);
return;
}
else
{
break;
}
}
prev->insertAfter(new BufferNode<TsFrameBase>(packet));
insertSuccessful(packet);
packet->setArrivalTime();
}
}
}
